/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.sedona.common.raster.serde;

import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.Serializer;
import com.esotericsoftware.kryo.io.Input;
import com.esotericsoftware.kryo.io.Output;
import java.util.List;
import org.apache.sedona.common.utils.RasterUtils;
import org.geotools.coverage.Category;
import org.geotools.coverage.GridSampleDimension;

/**
 * GridSampleDimension and RenderedSampleDimension are not serializable. We need to provide a custom
 * serializer
 */
public class GridSampleDimensionSerializer extends Serializer<GridSampleDimension> {
  @Override
  public void write(Kryo kryo, Output output, GridSampleDimension sampleDimension) {
    String description = sampleDimension.getDescription().toString();
    List<Category> categories = sampleDimension.getCategories();
    double offset = sampleDimension.getOffset();
    double scale = sampleDimension.getScale();
    double noDataValue = RasterUtils.getNoDataValue(sampleDimension);
    KryoUtil.writeUTF8String(output, description);
    output.writeDouble(offset);
    output.writeDouble(scale);
    output.writeDouble(noDataValue); // for interoperability with Python RasterType.
    KryoUtil.writeObjectWithLength(kryo, output, categories.toArray());
  }

  @Override
  public GridSampleDimension read(Kryo kryo, Input input, Class aClass) {
    String description = KryoUtil.readUTF8String(input);
    double offset = input.readDouble();
    double scale = input.readDouble();
    input.readDouble(); // noDataValue is included in categories, so we just skip it
    input.readInt(); // skip the length of the next object
    Category[] categories = kryo.readObject(input, Category[].class);
    return new GridSampleDimension(description, categories, offset, scale);
  }
}
